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Kotadiya DD, Patel P, Patel HD. Cell-Penetrating Peptides: A Powerful Tool for Targeted Drug Delivery. Curr Drug Deliv 2024; 21:368-388. [PMID: 37026498 DOI: 10.2174/1567201820666230407092924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/19/2023] [Accepted: 01/30/2023] [Indexed: 04/08/2023]
Abstract
The cellular membrane hinders the effective delivery of therapeutics to targeted sites. Cellpenetrating peptide (CPP) is one of the best options for rapidly internalizing across the cellular membrane. CPPs have recently attracted lots of attention because of their excellent transduction efficiency and low cytotoxicity. The CPP-cargo complex is an effective and efficient method of delivering several chemotherapeutic agents used to treat various diseases. Additionally, CPP has become another strategy to overcome some of the current therapeutic agents' limitations. However, no CPP complex is approved by the US FDA because of its limitations and issues. In this review, we mainly discuss the cellpenetrating peptide as the delivery vehicle, the cellular uptake mechanism of CPPs, their design, and some strategies to synthesize the CPP complex via some linkers such as disulfide bond, oxime, etc. Here, we also discuss the recent status of CPPs in the market.
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Affiliation(s)
- Dushyant D Kotadiya
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Piyushkumar Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
| | - Hitesh D Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, 380009, Gujarat, India
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2
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Asrorov AM, Wang H, Zhang M, Wang Y, He Y, Sharipov M, Yili A, Huang Y. Cell penetrating peptides: Highlighting points in cancer therapy. Drug Dev Res 2023; 84:1037-1071. [PMID: 37195405 DOI: 10.1002/ddr.22076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 04/29/2023] [Indexed: 05/18/2023]
Abstract
Cell-penetrating peptides (CPPs), first identified in HIV a few decades ago, deserved great attention in the last two decades; especially to support the penetration of anticancer drug means. In the drug delivery discipline, they have been involved in various approaches from mixing with hydrophobic drugs to the use of genetically conjugated proteins. The early classification as cationic and amphipathic CPPs has been extended to a few more classes such as hydrophobic and cyclic CPPs so far. Developing potential sequences utilized almost all methods of modern science: choosing high-efficiency peptides from natural protein sequences, sequence-based comparison, amino acid substitution, obtaining chemical and/or genetic conjugations, in silico approaches, in vitro analysis, animal experiments, etc. The bottleneck effect in this discipline reveals the complications that modern science faces in drug delivery research. Most CPP-based drug delivery systems (DDSs) efficiently inhibited tumor volume and weight in mice, but only in rare cases reduced their levels and continued further processes. The integration of chemical synthesis into the development of CPPs made a significant contribution and even reached the clinical stage as a diagnostic tool. But constrained efforts still face serious problems in overcoming biobarriers to reach further achievements. In this work, we reviewed the roles of CPPs in anticancer drug delivery, focusing on their amino acid composition and sequences. As the most suitable point, we relied on significant changes in tumor volume in mice resulting from CPPs. We provide a review of individual CPPs and/or their derivatives in a separate subsection.
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Affiliation(s)
- Akmal M Asrorov
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- Institute of Bioorganic Chemistry, AS of Uzbekistan, Tashkent, Uzbekistan
- Department of Natural Substances Chemistry, National University of Uzbekistan, Tashkent, Uzbekistan
| | - Huiyuan Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Meng Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Yonghui Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Yang He
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Mirkomil Sharipov
- Institute of Bioorganic Chemistry, AS of Uzbekistan, Tashkent, Uzbekistan
| | - Abulimiti Yili
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, Xinjiang, China
| | - Yongzhuo Huang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- Zhongshan Institute for Drug Discovery, Institutes of Drug Discovery and Development, Chinese Academy of Sciences, Zhongshan, China
- NMPA Key Laboratory for Quality Research and Evaluation of Pharmaceutical Excipients, Shanghai, China
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3
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Fan X, Jiang K, Geng F, Lu W, Wei G. Ocular therapies with biomacromolecules: From local injection to eyedrop and emerging noninvasive delivery strategies. Adv Drug Deliv Rev 2023; 197:114864. [PMID: 37156266 DOI: 10.1016/j.addr.2023.114864] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/15/2023] [Accepted: 05/03/2023] [Indexed: 05/10/2023]
Abstract
The last two decades have witnessed a continuously increasing number of biomacromolecules approved for the treatment of ocular diseases. The eye possesses multiple protective mechanisms to resist the invasion of exogenous substances, but meanwhile these physiological defense systems also act as strong barriers, impeding absorption of most biomacromolecules into the eye. As a result, local injections play predominant roles for posterior ocular delivery of biomacromolecules in clinical practice. To achieve safe and convenient application of biomacromolecules, alternative strategies to realize noninvasive intraocular delivery are necessary. Various nanocarriers, novel penetration enhancers and physical strategies have been explored to facilitate delivery of biomacromolecules to both anterior and posterior ocular segments but still suffered difficulties in clinical translation. This review compares the anatomical and physiological characteristics of the eyes from those frequently adopted experimental species and profiles the well-established animal models of ocular diseases. We also summarize the ophthalmic biomacromolecules launched on the market and put emphasis on emerging noninvasive intraocular delivery strategies of peptides, proteins and genes.
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Affiliation(s)
- Xingyan Fan
- Key Laboratory of Smart Drug Delivery, Ministry of Education & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Kuan Jiang
- Key Laboratory of Smart Drug Delivery, Ministry of Education & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai, 201203, PR China; Eye Institute and Department of Ophthalmology, Eye and ENT Hospital, Fudan University, Shanghai, 200030, P.R. China
| | - Feiyang Geng
- Key Laboratory of Smart Drug Delivery, Ministry of Education & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai, 201203, PR China
| | - Weiyue Lu
- Key Laboratory of Smart Drug Delivery, Ministry of Education & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai, 201203, PR China; The Institutes of Integrative Medicine of Fudan University, Shanghai, 200040, PR China
| | - Gang Wei
- Key Laboratory of Smart Drug Delivery, Ministry of Education & Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai, 201203, PR China; The Institutes of Integrative Medicine of Fudan University, Shanghai, 200040, PR China; Shanghai Engineering Research Center of ImmunoTherapeutics, Shanghai, 201203, PR China.
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Topical Delivery of Cell-Penetrating Peptide-Modified Human Growth Hormone for Enhanced Wound Healing. Pharmaceuticals (Basel) 2023; 16:ph16030394. [PMID: 36986493 PMCID: PMC10053240 DOI: 10.3390/ph16030394] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Protein drugs have been emerging as a class of promising therapeutics. However, their topical application has been limited by their high molecular weight and poor permeability to the cell membrane. In this study, we aimed to enhance human growth hormone (hGH) permeability for topical application by conjugation of TAT peptide, a cell-penetrating peptide, to hGH via crosslinker. After TAT was conjugated to hGH, TAT-hGH was purified by affinity chromatography. TAT-hGH significantly increased cell proliferation compared with the control. Interestingly, the effect of TAT-hGH was higher than hGH at the same concentration. Furthermore, the conjugation of TAT to hGH enhanced the permeability of TAT-hGH across the cell membrane without affecting its biological activity in vitro. In vivo, the topical application of TAT-hGH into scar tissue markedly accelerated wound healing. Histological results showed that TAT-hGH dramatically promoted the re-epithelialization of wounds in the initial stage. These results demonstrate TAT-hGH as a new therapeutic potential drug for wound healing treatment. This study also provides a new method for topical protein application via enhancement of their permeability.
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Identification of a peptide ligand facilitating percutaneous delivery of macromolecular cargo via inner root sheath in hair follicles by phage display combined with quantitative real-time PCR as a validation tool. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.102965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Shoari A, Tooyserkani R, Tahmasebi M, Löwik DWPM. Delivery of Various Cargos into Cancer Cells and Tissues via Cell-Penetrating Peptides: A Review of the Last Decade. Pharmaceutics 2021; 13:1391. [PMID: 34575464 PMCID: PMC8470549 DOI: 10.3390/pharmaceutics13091391] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/23/2021] [Accepted: 08/30/2021] [Indexed: 01/03/2023] Open
Abstract
Cell-penetrating peptides (CPPs), also known as protein transduction domains, are a class of diverse amino acid sequences with the ability to cross cellular membranes. CPPs can deliver several bioactive cargos, including proteins, peptides, nucleic acids and chemotherapeutics, into cells. Ever since their discovery, synthetic and natural CPPs have been utilized in therapeutics delivery, gene editing and cell imaging in fundamental research and clinical experiments. Over the years, CPPs have gained significant attention due to their low cytotoxicity and high transduction efficacy. In the last decade, multiple investigations demonstrated the potential of CPPs as carriers for the delivery of therapeutics to treat various types of cancer. Besides their remarkable efficacy owing to fast and efficient delivery, a crucial benefit of CPP-based cancer treatments is delivering anticancer agents selectively, rather than mediating toxicities toward normal tissues. To obtain a higher therapeutic index and to improve cell and tissue selectivity, CPP-cargo constructions can also be complexed with other agents such as nanocarriers and liposomes to obtain encouraging outcomes. This review summarizes various types of CPPs conjugated to anticancer cargos. Furthermore, we present a brief history of CPP utilization as delivery systems for anticancer agents in the last decade and evaluate several reports on the applications of CPPs in basic research and preclinical studies.
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Affiliation(s)
- Alireza Shoari
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 14115-111, Iran; (A.S.); (R.T.); (M.T.)
- Bio-Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Raheleh Tooyserkani
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 14115-111, Iran; (A.S.); (R.T.); (M.T.)
- Bio-Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Mehdi Tahmasebi
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 14115-111, Iran; (A.S.); (R.T.); (M.T.)
| | - Dennis W. P. M. Löwik
- Bio-Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
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Kim GC, Cheon DH, Lee Y. Challenge to overcome current limitations of cell-penetrating peptides. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2021; 1869:140604. [PMID: 33453413 DOI: 10.1016/j.bbapap.2021.140604] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/21/2020] [Accepted: 01/11/2021] [Indexed: 12/14/2022]
Abstract
The penetration of biological membranes is a prime obstacle for the delivery of pharmaceutical drugs. Cell-penetrating peptide (CPP) is an efficient vehicle that can deliver various cargos across the biological membranes. Since the discovery, CPPs have been rigorously studied to unveil the underlying penetrating mechanism as well as to exploit CPPs for various biomedical applications. This review will focus on the various strategies to overcome current limitations regarding stability, selectivity, and efficacy of CPPs.
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Affiliation(s)
- Gyu Chan Kim
- Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea
| | - Dae Hee Cheon
- Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea
| | - Yan Lee
- Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea.
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Keum T, Noh G, Seo JE, Bashyal S, Lee S. In Vitro and Ex Vivo Evaluation of Penetratin as a Non-invasive Permeation Enhancer in the Penetration of Salmon Calcitonin through TR146 Buccal Cells and Porcine Buccal Tissues. Pharmaceuticals (Basel) 2020; 13:ph13110408. [PMID: 33233392 PMCID: PMC7700664 DOI: 10.3390/ph13110408] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/10/2020] [Accepted: 11/19/2020] [Indexed: 12/25/2022] Open
Abstract
Buccal tissues are considered one of the potential alternative delivery route because of fast drug absorption and onset of action due to high vascularization and a non-keratinized epithelial membrane. In this study, the effect of Penetratin on the permeation of salmon calcitonin (sCT), a model macromolecular peptide drug, through TR146 buccal cells and porcine buccal tissues has been evaluated. To observe permeation profile of sCT, TR146 buccal cells were treated with Alexa 647 conjugated sCT (Alexa 647-sCT) with different concentrations of fluorescein isothiocyanate -labeled Penetratin (FITC-Penetratin) ranging from 0 to 40 μM, and analyzed using flow cytometry and confocal laser scanning microscopy. Intracellular penetration of FITC-Penetratin rapidly increased at low concentrations from 0 to 15 μM and it gradually increased at concentrations above 15 μM. Intracellular penetration of Alexa 647-sCT enhanced with the increase of FITC-Penetratin concentration. When TR146 cell layers and buccal tissues were co-treated with sCT and Penetratin as permeation enhancer, the flux of sCT increased as per Penetratin concentration. Compared to the control, 12.2 μM of Penetratin enhanced the flux of sCT in TR146 cell layers and buccal tissues by 5.5-fold and 93.7-fold, respectively. These results strongly suggest that Penetratin may successfully act as a non-invasive permeation enhancer for macromolecular peptide drug delivery through buccal routes.
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Affiliation(s)
- Taekwang Keum
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea; (T.K.); (G.N.); (J.-E.S.); (S.B.)
- Center for Forensic Pharmaceutical Science, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea
| | - Gyubin Noh
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea; (T.K.); (G.N.); (J.-E.S.); (S.B.)
- Center for Forensic Pharmaceutical Science, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea
| | - Jo-Eun Seo
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea; (T.K.); (G.N.); (J.-E.S.); (S.B.)
| | - Santosh Bashyal
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea; (T.K.); (G.N.); (J.-E.S.); (S.B.)
- Center for Forensic Pharmaceutical Science, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea
| | - Sangkil Lee
- College of Pharmacy, Keimyung University, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea; (T.K.); (G.N.); (J.-E.S.); (S.B.)
- Center for Forensic Pharmaceutical Science, 1095 Dalgubeol-daero, Dalseo-gu, Daegu 42601, Korea
- Correspondence: ; Tel.: +82-53-580-6655
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Feng Y, Xin Q, Zhang W, Wang Z, Gao S, Chen X, Chen X, Li J. Cell-Membrane-Targeted Drug Delivery System Based on Choline-Phosphate-Functionalized β-Cyclodextrin. Macromol Biosci 2020; 20:e2000069. [PMID: 32864834 DOI: 10.1002/mabi.202000069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 08/16/2020] [Indexed: 12/19/2022]
Abstract
In this study, a novel cyclodextrin derivative, i.e., zwitterionic choline phosphate (CP)-functionalized β-cyclodextrin (CP-β-CD) is successfully synthesized by click chemistry reaction. CP-β-CD has excellent cell-membrane-targeted ability because of the CP group can bind to phosphate choline (PC) in the cell membrane and promote the cellular uptake. Due to the introduction of CP group on β-CD, it disrupts the hydrogen network between natural β-CD molecules. Meanwhile, the water solubility of CP-β-CD is improved dramatically to 816 mg mL-1 , which is 440 times as that of unmodified β-CD. Apatinib, a small molecular inhibitor, is used as a model of hydrophobic drug and loaded into CP-β-CD to study the solubilization effect and the anti-angiogenisis activity. In addition, the cytotoxicity of CP-β-CD is also studied, and it is demonstrated that CP-β-CD is nontoxic. These results indicate that the apatinib can be transported into cell interior and play an excellent anti-angiogenisis activity after being loaded into CP-β-CD drug delivery system. This work suggests that the water soluble CP-β-CD with excellent cell internalization efficiency has a potential application prospect in the field of drug delivery.
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Affiliation(s)
- Ying Feng
- College of Medicine, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Qiangwei Xin
- College of Medicine, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Wanlin Zhang
- College of Medicine, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Zuxin Wang
- College of Medicine, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Shan Gao
- College of Medicine, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Xin Chen
- Department of Laboratory Medicine, The Third People's Hospital of Chengdu/Affiliated Hospital of Southwest Jiaotong University, Chengdu, Sichuan, 610000, P. R. China
| | - Xingyu Chen
- College of Medicine, Southwest Jiaotong University, Chengdu, 610031, P. R. China
| | - Jianshu Li
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
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Xie J, Bi Y, Zhang H, Dong S, Teng L, Lee RJ, Yang Z. Cell-Penetrating Peptides in Diagnosis and Treatment of Human Diseases: From Preclinical Research to Clinical Application. Front Pharmacol 2020; 11:697. [PMID: 32508641 PMCID: PMC7251059 DOI: 10.3389/fphar.2020.00697] [Citation(s) in RCA: 251] [Impact Index Per Article: 62.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 04/28/2020] [Indexed: 12/21/2022] Open
Abstract
Cell-penetrating peptides (CPPs) are short peptides (fewer than 30 amino acids) that have been predominantly used in basic and preclinical research during the last 30 years. Since they are not only capable of translocating themselves into cells but also facilitate drug or CPP/cargo complexes to translocate across the plasma membrane, they have potential applications in the disease diagnosis and therapy, including cancer, inflammation, central nervous system disorders, otologic and ocular disorders, and diabetes. However, no CPPs or CPP/cargo complexes have been approved by the US Food and Drug Administration (FDA). Many issues should be addressed before translating CPPs into clinics. In this review, we summarize recent developments and innovations in preclinical studies and clinical trials based on using CPP for improved delivery, which have revealed that CPPs or CPP-based delivery systems present outstanding diagnostic therapeutic delivery potential.
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Affiliation(s)
- Jing Xie
- School of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing, China
| | - Ye Bi
- Practice Training Center, Changchun University of Chinese Medicine, Changchun, China
| | - Huan Zhang
- School of Life Sciences, Jilin University, Changchun, China
| | - Shiyan Dong
- School of Life Sciences, Jilin University, Changchun, China
| | - Lesheng Teng
- School of Life Sciences, Jilin University, Changchun, China
| | - Robert J. Lee
- Division of Pharmaceutics and Pharmacology, The Ohio State University, Columbus, OH, United States
| | - Zhaogang Yang
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, United States
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11
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Single enzyme nanoparticle, an effective tool for enzyme replacement therapy. Arch Pharm Res 2020; 43:1-21. [PMID: 31989476 DOI: 10.1007/s12272-020-01216-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/20/2020] [Indexed: 01/10/2023]
Abstract
The term "single enzyme nanoparticle" (SEN) refers to a chemically or biologically engineered single enzyme molecule. SENs are distinguished from conventional protein nanoparticles in that they can maintain their individual structure and enzymatic activity following modification. Furthermore, SENs exhibit enhanced properties as biopharmaceuticals, such as reduced antigenicity, and increased stability and targetability, which are attributed to the introduction of specific moieties, such as poly(ethylene glycol), carbohydrates, and antibodies. Enzyme replacement therapy (ERT) is a crucial therapeutic option for controlling enzyme-deficiency-related disorders. However, the unfavorable properties of enzymes, including immunogenicity, lack of targetability, and instability, can undermine the clinical significance of ERT. As shown in the cases of Adagen®, Revcovi®, Palynziq®, and Strensiq®, SEN can be an effective technology for overcoming these obstacles. Based on these four licensed products, we expect that additional SENs will be introduced for ERT in the near future. In this article, we review the concepts and features of SENs, as well as their preparation methods. Additionally, we summarize different types of enzyme deficiency disorders and the corresponding therapeutic enzymes. Finally, we focus on the current status of SENs in ERT by reviewing FDA-approved products.
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12
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High Molecular Weight Chitosan-Complexed RNA Nanoadjuvant for Effective Cancer Immunotherapy. Pharmaceutics 2019; 11:pharmaceutics11120680. [PMID: 31847372 PMCID: PMC6969902 DOI: 10.3390/pharmaceutics11120680] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/08/2019] [Accepted: 12/11/2019] [Indexed: 01/16/2023] Open
Abstract
Nucleic acid-based adjuvants have recently emerged as promising candidates for use in cancer vaccines to induce tumor-suppressing immune cells. In this study, we tested whether complexation of a nucleic acid-based adjuvant with chitosan (CTS) modulates immune adjuvant functions. As a nucleic acid-based adjuvant, we used toll-like receptor 3-recognizing RNA adjuvant (RA). Negatively charged RA formed nanoscale polyplexes with cationic CTS that possessed positive zeta potentials. RA/CTS polyplexes exerted dendritic cell (DC)-maturation effects without causing significant DC toxicity. This DC-maturation effect was CTS molecular weight dependent, with RA/CTS polyplexes with a CTS molecular weight of 340 kDa (RA/CTS 340K) producing the greatest effect. Subcutaneous injection of RA/CTS 340K polyplexes with the model tumor antigen ovalbumin exerted a preventive effect against challenge by ovalbumin-expressing tumor cells. It also provided greater inhibitory effects against a second challenge with the same tumor cells compared with other treatments. These protective effects of subcutaneous RA/CTS polyplex treatment were associated with the highest tumor antigen-specific humoral and cellular immune responses after tumor challenge, and with the greatest infiltration of CD4 helper T cell and CD8 T cell into the tumor tissues. Mice vaccinated with ovalbumin and RA/CTS polyplexes showed complete survival, even after repeated challenge with tumor cells. Our results suggest the potential of RA/CTS polyplexes as effective nanoadjuvants in the design of tumor vaccines and cancer immunotherapy.
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Yoon HY, Yang HM, Kim CH, Goo YT, Hwang GY, Chang IH, Whang YM, Choi YW. Enhanced Intracellular Delivery of BCG Cell Wall Skeleton into Bladder Cancer Cells Using Liposomes Functionalized with Folic Acid and Pep-1 Peptide. Pharmaceutics 2019; 11:pharmaceutics11120652. [PMID: 31817179 PMCID: PMC6970232 DOI: 10.3390/pharmaceutics11120652] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 11/28/2019] [Accepted: 12/02/2019] [Indexed: 02/07/2023] Open
Abstract
Although bacillus Calmette–Guérin cell wall skeleton (BCG-CWS) might function as a potential substitute for live BCG, its use in the treatment of bladder cancer remains limited owing to issues such as insolubility and micrometer-size following exposure to an aqueous environment. Thus, to develop a novel nanoparticulate system for efficient BCG-CWS delivery, liposomal encapsulation was carried out using a modified emulsification-solvent evaporation method (targets: Size, <200 nm; encapsulation efficiency, ~60%). Further, the liposomal surface was functionalized with specific ligands, folic acid (FA), and Pep-1 peptide (Pep1), as targeting and cell-penetrating moieties, respectively. Functionalized liposomes greatly increased the intracellular uptake of BCG-CWS in the bladder cancer cell lines, 5637 and MBT2. The immunoactivity was verified through elevated cytokine production and a THP-1 migration assay. In vivo antitumor efficacy revealed that the BCG-CWS-loaded liposomes effectively inhibited tumor growth in mice bearing MBT2 tumors. Dual ligand-functionalized liposome was also superior to single ligand-functionalized liposomes. Immunohistochemistry supported the enhanced antitumor effect of BCG-CWS, with IL-6 production and CD4 infiltration. Thus, we conclude that FA- and Pep1-modified liposomes encapsulating BCG-CWS might be a good candidate for bladder cancer treatment with high target selectivity.
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Affiliation(s)
- Ho Yub Yoon
- Drug Delivery Research Lab, College of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea; (H.Y.Y.); (H.M.Y.); (C.H.K.); (Y.T.G.)
| | - Hee Mang Yang
- Drug Delivery Research Lab, College of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea; (H.Y.Y.); (H.M.Y.); (C.H.K.); (Y.T.G.)
| | - Chang Hyun Kim
- Drug Delivery Research Lab, College of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea; (H.Y.Y.); (H.M.Y.); (C.H.K.); (Y.T.G.)
| | - Yoon Tae Goo
- Drug Delivery Research Lab, College of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea; (H.Y.Y.); (H.M.Y.); (C.H.K.); (Y.T.G.)
| | - Gwang Yong Hwang
- Department of Urology, College of Medicine, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea (I.H.C.)
| | - In Ho Chang
- Department of Urology, College of Medicine, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea (I.H.C.)
| | - Young Mi Whang
- Department of Internal Medicine, Seoul National University Hospital 101, Daehak-ro, Jongno-gu, Seoul 03080, Korea;
| | - Young Wook Choi
- Drug Delivery Research Lab, College of Pharmacy, Chung-Ang University, 84, Heukseok-ro, Dongjak-gu, Seoul 06974, Korea; (H.Y.Y.); (H.M.Y.); (C.H.K.); (Y.T.G.)
- Correspondence: ; Tel.: +82-2-820-5609
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14
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Lee SH, Song JG, Han HK. Development of pH-responsive organic-inorganic hybrid nanocomposites as an effective oral delivery system of protein drugs. J Control Release 2019; 311-312:74-84. [PMID: 31487499 DOI: 10.1016/j.jconrel.2019.08.036] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 08/26/2019] [Accepted: 08/31/2019] [Indexed: 02/05/2023]
Abstract
This research aimed to develop a pH-responsive organic-inorganic hybrid nanocomposite as an effective oral delivery system for protein drugs. Three different nanocomposites were prepared by using bovine serum albumin (BSA) as a model protein. A nanocomplex of BSA with 3-aminopropyl functionalized magnesium phyllosilicate (AC-BSA) was obtained via the spontaneous co-assembly and then sequentially coated with glycol-chitosan (GAC-BSA) and the pH sensitive polymer, Eudragit®L100-55 (EGAC-BSA). These organic-inorganic hybrid nanocomposites exhibited high entrapment efficiency (86-99%) and their structural characteristics were confirmed by using energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, and circular dichroism analysis, indicating that the secondary structure of BSA was well retained in the nanocomposites. At pH 1.2, AC-BSA achieved rapid drug release of about 80% within 2 h, while GAC-BSA and EGAC-BSA exhibited slow drug release of 30% and 15%, respectively, indicating that the surface-coated nanocomposites were more stable in the gastric condition. Furthermore, the conformational stability of BSA entrapped in EGAC-BSA was well retained in the presence of proteolytic enzymes, suggesting that EGAC-BSA should be effective in protecting the protein against gastrointestinal harsh environment. Compared to free BSA, all of tested nanocomposites demonstrated 2.1-3.8-fold higher cellular uptake in Caco-2 cells. Furthermore, energy-dependent endocytosis and paracellular pathway contributed to the cellular transport of nanoparticles. After oral administration in rats, EGAC-BSA significantly enhanced the intestinal permeation of BSA compared to free BSA. In conclusion, EGAC-BSA appears to be promising as an effective oral delivery system for proteins with enhanced intestinal absorption.
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Affiliation(s)
- Sang Hoon Lee
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea
| | - Jae Geun Song
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea
| | - Hyo-Kyung Han
- College of Pharmacy, Dongguk University-Seoul, Dongguk-ro-32, Ilsan-Donggu, Goyang, Republic of Korea.
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15
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Tunsirikongkon A, Pyo YC, Kim DH, Lee SE, Park JS. Optimization of Polyarginine-Conjugated PEG Lipid Grafted Proliposome Formulation for Enhanced Cellular Association of a Protein Drug. Pharmaceutics 2019; 11:pharmaceutics11060272. [PMID: 31212607 PMCID: PMC6630419 DOI: 10.3390/pharmaceutics11060272] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/04/2019] [Accepted: 06/07/2019] [Indexed: 02/04/2023] Open
Abstract
The purpose of this study was to develop an oral proliposomal powder of protein using poly-l-arginine-conjugated 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-poly(ethylene glycol) (DSPE-PEG) (PLD) for enhancing cellular association upon reconstitution and to compare its effects with a non-grafted and PEGylated formulation. Cationic proliposome (CATL), PLD-grafted CATL (PLD-CATL), PEGylated CATL (PEG CATL), and PLD grafted-PEG CATL (PLD-PEG CATL) were prepared and compared. Successful conjugation between poly-l-arginine and DSPE-PEG was confirmed by 1H NMR and FT-IR. PLD was successfully grafted onto the proliposomal powder during the slurry process. Although reconstituted liposomal sizes of CATL and PLD-CATL were increased by agglomeration, PEGylation reduced the agglomeration and increased the encapsulation. The viabilities of cells treated with both CATL and PLD-CATL formulations were low but increased following PEGylation. With regard to cellular association, PLD-CATL enhanced cellular association/uptake more rapidly than did CATL. Upon PEGylation, PEG CATL showed a lower level of cellular association/uptake compared with CATL while PLD-PEG CATL did not exhibit the rapid cellular association/uptake as seen with PLD-CATL. However, PLD-PEG CATL still enhanced the higher cellular association/uptake than PEG CATL did without PLD. In conclusion, proliposomes with PLD could accelerate cellular association/uptake but also caused high cellular toxicity. PEGylation reduced cellular toxicity and also changed the cellular association pattern of the PLD formulation.
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Affiliation(s)
- Amolnat Tunsirikongkon
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
- Division of Pharmaceutical Sciences, Faculty of Pharmacy, Thammasat University, Rangsit Center, Pathumthani 12120, Thailand.
| | - Yong-Chul Pyo
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
| | - Dong-Hyun Kim
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
| | - Sang-Eun Lee
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
| | - Jeong-Sook Park
- College of Pharmacy, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Korea.
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16
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Cho Lee AR. Microneedle-mediated delivery of cosmeceutically relevant nucleoside and peptides in human skin: challenges and strategies for dermal delivery. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2019. [DOI: 10.1007/s40005-019-00438-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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17
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Sun X, Guo Q, Wei W, Robertson S, Yuan Y, Luo X. Current Progress on MicroRNA-Based Gene Delivery in the Treatment of Osteoporosis and Osteoporotic Fracture. Int J Endocrinol 2019; 2019:6782653. [PMID: 30962808 PMCID: PMC6431398 DOI: 10.1155/2019/6782653] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 11/28/2018] [Accepted: 12/31/2018] [Indexed: 12/15/2022] Open
Abstract
Emerging evidence demonstrates that microRNAs, as important endogenous posttranscriptional regulators, are essential for bone remodeling and regeneration. Undoubtedly, microRNA-based gene therapies show great potential to become novel approaches against bone-related diseases, including osteoporosis and associated fractures. The major obstacles for continued advancement of microRNA-based therapies in clinical application include their poor in vivo stability, nonspecific biodistribution, and unwanted side effects. Appropriate chemical modifications and delivery vectors, which improve the biological performance and potency of microRNA-based drugs, hold the key to translating miRNA technologies into clinical practice. Thus, this review summarizes the current attempts and existing deficiencies of chemical modifications and delivery systems applied in microRNA-based therapies for osteoporosis and osteoporotic fractures to inform further explorations.
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Affiliation(s)
- Xi Sun
- Department of Endocrinology, The Third Xiangya Hospital of Central South University, 138# Tongzipo Road, Changsha, Hunan 410007, China
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, 87# Xiangya Road, Changsha, Hunan 410008, China
| | - Qi Guo
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, 87# Xiangya Road, Changsha, Hunan 410008, China
| | - Wenhua Wei
- Department of Women's and Children's Health, Dunedin School of Medicine, University of Otago, Dunedin 9016, New Zealand
| | - Stephen Robertson
- Department of Women's and Children's Health, Dunedin School of Medicine, University of Otago, Dunedin 9016, New Zealand
| | - Ying Yuan
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, 87# Xiangya Road, Changsha, Hunan 410008, China
| | - Xianghang Luo
- Department of Endocrinology, Endocrinology Research Center, Xiangya Hospital of Central South University, 87# Xiangya Road, Changsha, Hunan 410008, China
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18
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Pescina S, Ostacolo C, Gomez-Monterrey IM, Sala M, Bertamino A, Sonvico F, Padula C, Santi P, Bianchera A, Nicoli S. Cell penetrating peptides in ocular drug delivery: State of the art. J Control Release 2018; 284:84-102. [PMID: 29913221 DOI: 10.1016/j.jconrel.2018.06.023] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 06/12/2018] [Accepted: 06/14/2018] [Indexed: 12/22/2022]
Abstract
Despite the increasing number of effective therapeutics for eye diseases, their treatment is still challenging due to the presence of effective barriers protecting eye tissues. Cell Penetrating Peptides (CPPs), synthetic and natural short amino acid sequences able to cross cellular membrane thanks to a transduction domain, have been proposed as possible enhancing strategies for ophthalmic delivery. In this review, a general description of CPPs classes, design approaches and proposed cellular uptake mechanisms will be provided to the reader as an introduction to ocular CPPs application, together with an overview of the main problems related to ocular administration. The results obtained with CPPs for the treatment of anterior and posterior segment eye diseases will be then introduced, with a focus on non-invasive or minimally invasive administration, shifting from CPPs capability to obtain intracellular delivery to their ability to cross biological barriers. The problems related to in vitro, ex vivo and in vivo models used to investigate CPPs mediated ocular delivery will be also addressed together with potential ocular toxicity issues.
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Affiliation(s)
- S Pescina
- Food and Drug Department, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - C Ostacolo
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
| | - I M Gomez-Monterrey
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Napoli, Italy
| | - M Sala
- Department of Pharmacy, University of Salerno, Via G. Paolo II 132, 84084 Fisciano, SA, Italy
| | - A Bertamino
- Department of Pharmacy, University of Salerno, Via G. Paolo II 132, 84084 Fisciano, SA, Italy
| | - F Sonvico
- Food and Drug Department, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - C Padula
- Food and Drug Department, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - P Santi
- Food and Drug Department, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - A Bianchera
- BiopharmanetTEC, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy
| | - S Nicoli
- Food and Drug Department, University of Parma, Parco Area delle Scienze, 27/A, 43124 Parma, Italy.
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19
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Zhang S, Xin P, Ou Q, Hollett G, Gu Z, Wu J. Poly(ester amide)-based hybrid hydrogels for efficient transdermal insulin delivery. J Mater Chem B 2018; 6:6723-6730. [DOI: 10.1039/c8tb01466c] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Transdermal drug delivery is an attractive, non-invasive treatment.
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Affiliation(s)
- Shaohan Zhang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Biomedical Engineering
- Sun Yat-sen University
- Guangzhou
- China
| | - Peikun Xin
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Biomedical Engineering
- Sun Yat-sen University
- Guangzhou
- China
| | - Qianmin Ou
- Guanghua School of Stomatology
- Hospital of Stomatology
- Guangdong Provincial Key Laboratory of Stomatology
- Sun Yat-sen University
- Guangzhou 510055
| | - Geoffrey Hollett
- Materials Science and Engineering Program
- University of California San Diego
- La Jolla
- USA
| | - Zhipeng Gu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Biomedical Engineering
- Sun Yat-sen University
- Guangzhou
- China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province
- School of Biomedical Engineering
- Sun Yat-sen University
- Guangzhou
- China
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